29 #ifndef INCLUDED_DeviceCallbackTypesC_h_GUID_46F72CEE_3327_478F_2DED_ADAAF2EC783C
30 #define INCLUDED_DeviceCallbackTypesC_h_GUID_46F72CEE_3327_478F_2DED_ADAAF2EC783C
Header declaring a type and values for simple C return codes.
Header providing basic C macros for defining API headers.
OSVR_ReturnCode(* OSVR_DeviceUpdateCallback)(void *userData)
Function type of a Device Update callback.